﻿body {
    margin: 0px;
    padding: 0px;
}

.main_content {
    width: 960px;
    margin: auto;
    text-align: center;
}

.logo_text {
    margin: auto;
    margin-top: 50px;
    margin-bottom: 50px;
}

.choose_db {
    width: 100%;
    height: auto;
    margin-bottom: 50px;
}

.submitBtn {
    width: 100%;
    height: auto;
    margin: 0 auto;
}

    .submitBtn button {
        width: 200px;
        height: 40px;
    }

.col_padding {
    margin-top: 40px;
    margin-bottom: 20px;
}

.div_postion {
    display: none;
    top: 0;
    position: fixed;
    width: 960px;
}
